Tamper-resistant closure for dispensers
AssigneeWeatherchem Corporation
InventorsJohn R. Hickman, Nicholas J. Kriska, Jeffrey H. Brechtelsbauer, Bruno A. Mediate, Jordan I. Rotheiser
Life of this patent
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Abstract
A tamperproof dispenser end closure includes a base and a rotor pivotally connected to the base by a hub. The base and rotor have webs provided with means defining respective dispensing apertures. The base and rotor are retained in a close superposed relationship to each other by the hub. Frangible means are provided which tear or break when an attempt is made to separate the base from the rotor so that the base and rotor cannot be pivotally connected again by the hub.
Claims18
In a dispenser end closure having a base and a rotor pivotally connected to said base by a hub, said base and rotor having webs with means defining respective dispensing apertures therein, the rotor dispensing means being alignable with the base dispensing means by pivotal movement of said rotor with respect to said base about the axis of said hub, said hub slidably retaining said base and rotor in a close superposed relationship, the improvement comprising a frangible area on at least one of said base, rotor and hub elements, said frangible area being adapted to tear when an attempt is made to separate said base and rotor.
A tamper-resistant end closure for a container comprising a base and a rotor pivotally connected to said base, said base having a web portion with a first opening therein and means defining at least one dispensing aperture, said rotor having a web portion and a stem attached at one end to the rotor web, the free end of said stem extending through said first opening in the base web, said stem free end having retainer means for slidably engaging the base web portion along the periphery of said first opening and retaining said base and rotor in a close, superposed relationship, said rotor providing at least one opening in the rotor web substantially alignable with said means defining a dispensing aperture when said rotor is pivoted about the axis of said stem, and frangible means on at least one of said base, rotor and stem elements, said frangible means being adapted to break when an attempt is made to separate said base and rotor thereby preventing said base and rotor from being pivotally connected together again by said stem.
Dependencies are inferred from the claim text.